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Coway Airmega 200M
Updated take on the Mighty with the same filter set and an air-quality light; no app. Coway rates the HEPA filter at 1 year and the deodorization layer at 6 months.
Specs
| CADR — smoke | 246 cfm |
|---|---|
| CADR — dust | 249 cfm |
| CADR — pollen | 277 cfm |
| Room size (4.8 air changes/hour) | 384 sq ft |
| Noise | 24.4–55.1 dB |
| Max power | 82 W |
| Replacement filter | Mighty AP-1512HH & 200M Filter Set: $60, up to 12 months |
| Yearly running cost (est.) | $109 (filters $60 + power $49) |
| App control | No |
| Price | $230 |
About these numbers: CADR, noise, power and filter figures are Coway's published specs (source), last verified 2026-09-28. Price from Coway's store, checked 2026-09-28. Room size and yearly running cost are our calculations from those figures, not lab tests.
How fast does it clean?
| Room (8 ft ceiling) | Air changes/hr | Verdict |
|---|---|---|
| Small bedroom (150 sq ft) | 12.3 | Great |
| Bedroom (250 sq ft) | 7.4 | Great |
| Living room (400 sq ft) | 4.6 | Good |
| Open plan (600 sq ft) | 3.1 | Light duty |
What it costs to own
Over three years: $556 — the $230 purchase plus about $109 a year in filters and electricity.